Impulse SCM9B-1000_2000 Series Bedienungsanleitung PDF herunterladen

SCM9B

Visit our website www.dataforth.com

101

Isolated Intelligent Signal Conditioning Products

SCM9B

SCM9B-1000/2000 Series

Sensor-to-Computer Modules

Description

The SCM9B-1000/2000 Sensor-to-Computer Modules are a family of complete

solutions designed for data acquisition systems based on personal computers

and other processor-based equipment with standard serial I/O ports. The

modules convert analog input signals to engineering units and transmit in ASCII

format to any host with standard RS-485 or RS-232C ports. These modules can

measure temperature, pressure, voltage, current and various types of

digital signals. The modules provide direct connection to a wide variety of

sensors and perform all signal conditioning, scaling, linearization and conver-

sion to engineering units. Each module also provides digital I/O lines for

controlling devices through solid state relays or TTL signals. These digital I/O

lines along with built-in limit setting capability provide alarm and control outputs

(see Figure 1).

The modules contain no pots or switches to be set. Features such as address,

baud rate, parity, alarms, echo, etc. are selectable using simple commands

over the communications portwithout requiring access to the module. The

selections are stored in nonvolatile EEPROM which maintains data even after

power is removed.

The 2000 series is an enhanced version of the 1000 series of sensor interfaces.

The 2000 series allows the user to scale the output data in any desired

engineering units. The 2000 also provides the ability to program nonlinear

transfer functions. This feature may be used to linearize nonstandard sensors

or to provide outputs in engineering units which are nonlinear functions

of the input.

Figure 1: SCM9B-1000/2000 Block Diagram

▲

Features

 Complete Sensor to RS-485 or RS-232C Interface

 ASCII Format Command/Response Protocol

 500Vrms Analog Input Isolation

 15-Bit Measurement Resolution

 Continuous Self-Calibration; No Adjustments of Any Kind

 Programmable Digital Filter

 Digital Limit Setting and Alarm Capability

 Digital Inputs and Outputs Connect to Solid State Relays

 Events Counter to 10 Million

 Requires +10V to +30VDC Unregulated Supply

 Transient Suppression on RS-485

Communications Lines

 Screw Terminal Plug Connectors Supplied

 CE Compliant

Programmable Features (2000 Series)

(Provides intelligent features not found in the 1000 series.)

 ASCII Output Scaled to Desired Engineering Units

 User Programmable Nonlinear Transfer Function

 Straight-Line Segment Approximation: up to 24 Segments

1 2 3 4

Inhaltsverzeichnis

Seite 1 - SCM9B-1000/2000 Series

SCM9BVisit our website www.dataforth.com101Isolated Intelligent Signal Conditioning ProductsSCM9BSCM9B-1000/2000 SeriesSensor-to-Computer ModulesDescr

Seite 2 - Specifications

Isolated Intelligent Signal Conditioning ProductsSCM9BFor information call 800-444-7644102Analog Single channel analog input. Maximum CMV, input to

Seite 3

SCM9BVisit our website www.dataforth.com103Isolated Intelligent Signal Conditioning ProductsSCM9BSpecificationsTypical at 25°C and nominal power suppl

Seite 4 - Ordering Information

Isolated Intelligent Signal Conditioning ProductsSCM9BFor information call 800-444-7644104Ordering InformationModel DescriptionVoltage InputSCM9B-1101

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Impulse SCM9B-1000_2000 Series Bedienungsanleitung

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